--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: artstd.cpp
+// Purpose: stock wxArtProvider instance with native GTK+ stock icons
+// Author: Vaclav Slavik
+// Modified by:
+// Created: 2004-08-22
+// RCS-ID: $Id$
+// Copyright: (c) Vaclav Slavik, 2004
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+// ---------------------------------------------------------------------------
+// headers
+// ---------------------------------------------------------------------------
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#if defined(__BORLANDC__)
+ #pragma hdrstop
+#endif
+
+#if defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
+
+#include "wx/artprov.h"
+
+#include <gtk/gtk.h>
+
+// compatibility with older GTK+ versions:
+#ifndef GTK_STOCK_FILE
+ #define GTK_STOCK_FILE "gtk-file"
+#endif
+#ifndef GTK_STOCK_DIRECTORY
+ #define GTK_STOCK_DIRECTORY "gtk-directory"
+#endif
+
+
+// ----------------------------------------------------------------------------
+// wxGTK2ArtProvider
+// ----------------------------------------------------------------------------
+
+class wxGTK2ArtProvider : public wxArtProvider
+{
+protected:
+ virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
+ const wxSize& size);
+};
+
+/*static*/ void wxArtProvider::InitNativeProvider()
+{
+ wxArtProvider::PushProvider(new wxGTK2ArtProvider);
+}
+
+// ----------------------------------------------------------------------------
+// CreateBitmap routine
+// ----------------------------------------------------------------------------
+
+static const char *wxArtIDToStock(const wxArtID& id)
+{
+ #define ART(wxid, gtkid) \
+ if (id == wxid) return gtkid;
+
+ ART(wxART_ERROR, GTK_STOCK_DIALOG_ERROR)
+ ART(wxART_INFORMATION, GTK_STOCK_DIALOG_INFO)
+ ART(wxART_WARNING, GTK_STOCK_DIALOG_WARNING)
+ ART(wxART_QUESTION, GTK_STOCK_DIALOG_QUESTION)
+
+ //ART(wxART_HELP_SIDE_PANEL, )
+ ART(wxART_HELP_SETTINGS, GTK_STOCK_SELECT_FONT)
+ //ART(wxART_HELP_BOOK, )
+ ART(wxART_HELP_FOLDER, GTK_STOCK_DIRECTORY)
+ ART(wxART_HELP_PAGE, GTK_STOCK_FILE)
+ ART(wxART_MISSING_IMAGE, GTK_STOCK_MISSING_IMAGE)
+ ART(wxART_ADD_BOOKMARK, GTK_STOCK_ADD)
+ ART(wxART_DEL_BOOKMARK, GTK_STOCK_REMOVE)
+ ART(wxART_GO_BACK, GTK_STOCK_GO_BACK)
+ ART(wxART_GO_FORWARD, GTK_STOCK_GO_FORWARD)
+ ART(wxART_GO_UP, GTK_STOCK_GO_UP)
+ ART(wxART_GO_DOWN, GTK_STOCK_GO_DOWN)
+ ART(wxART_GO_TO_PARENT, GTK_STOCK_GO_UP)
+ ART(wxART_GO_HOME, GTK_STOCK_HOME)
+ ART(wxART_FILE_OPEN, GTK_STOCK_OPEN)
+ ART(wxART_PRINT, GTK_STOCK_PRINT)
+ ART(wxART_HELP, GTK_STOCK_HELP)
+ ART(wxART_TIP, GTK_STOCK_DIALOG_INFO)
+ //ART(wxART_REPORT_VIEW, )
+ //ART(wxART_LIST_VIEW, )
+ //ART(wxART_NEW_DIR, )
+ ART(wxART_FOLDER, GTK_STOCK_DIRECTORY)
+ //ART(wxART_GO_DIR_UP, )
+ ART(wxART_EXECUTABLE_FILE, GTK_STOCK_EXECUTE)
+ ART(wxART_NORMAL_FILE, GTK_STOCK_FILE)
+ ART(wxART_TICK_MARK, GTK_STOCK_APPLY)
+ ART(wxART_CROSS_MARK, GTK_STOCK_CANCEL)
+
+ return NULL;
+
+ #undef ART
+}
+
+static GtkIconSize wxArtClientToIconSize(const wxArtClient& client)
+{
+ if (client == wxART_TOOLBAR)
+ return GTK_ICON_SIZE_LARGE_TOOLBAR;
+ else if (client == wxART_MENU)
+ return GTK_ICON_SIZE_MENU;
+ else if (client == wxART_CMN_DIALOG || client == wxART_MESSAGE_BOX)
+ return GTK_ICON_SIZE_DIALOG;
+ else if (client == wxART_BUTTON)
+ return GTK_ICON_SIZE_BUTTON;
+ else
+ return GTK_ICON_SIZE_BUTTON; // this is arbitrary
+}
+
+static GtkIconSize FindClosestIconSize(const wxSize& size)
+{
+ #define NUM_SIZES 6
+ static struct
+ {
+ GtkIconSize icon;
+ gint x, y;
+ } s_sizes[NUM_SIZES];
+ static bool s_sizesInitialized = false;
+
+ if (!s_sizesInitialized)
+ {
+ s_sizes[0].icon = GTK_ICON_SIZE_MENU;
+ s_sizes[1].icon = GTK_ICON_SIZE_SMALL_TOOLBAR;
+ s_sizes[2].icon = GTK_ICON_SIZE_LARGE_TOOLBAR;
+ s_sizes[3].icon = GTK_ICON_SIZE_BUTTON;
+ s_sizes[4].icon = GTK_ICON_SIZE_DND;
+ s_sizes[5].icon = GTK_ICON_SIZE_DIALOG;
+ for (size_t i = 0; i < NUM_SIZES; i++)
+ {
+ gtk_icon_size_lookup(s_sizes[i].icon,
+ &s_sizes[i].x, &s_sizes[i].y);
+ }
+ s_sizesInitialized = true;
+ }
+
+ GtkIconSize best = GTK_ICON_SIZE_DIALOG; // presumably largest
+ unsigned distance = INT_MAX;
+ for (size_t i = 0; i < NUM_SIZES; i++)
+ {
+ // only use larger bitmaps, scaling down looks better than scaling up:
+ if (size.x > s_sizes[i].x || size.y > s_sizes[i].y)
+ continue;
+
+ unsigned dist = (size.x - s_sizes[i].x) * (size.x - s_sizes[i].x) +
+ (size.y - s_sizes[i].y) * (size.y - s_sizes[i].y);
+ if (dist == 0)
+ return s_sizes[i].icon;
+ else if (dist < distance)
+ {
+ distance = dist;
+ best = s_sizes[i].icon;
+ }
+ }
+ return best;
+}
+
+wxBitmap wxGTK2ArtProvider::CreateBitmap(const wxArtID& id,
+ const wxArtClient& client,
+ const wxSize& size)
+{
+ wxCharBuffer stockid = wxArtIDToStock(id);
+ GtkIconSize stocksize = (size == wxDefaultSize) ?
+ wxArtClientToIconSize(client) :
+ FindClosestIconSize(size);
+
+ // allow passing GTK+ stock IDs to wxArtProvider:
+ if (!stockid)
+ stockid = id.ToAscii();
+
+ // FIXME: This code is not 100% correct, because stock pixmap are
+ // context-dependent and may be affected by theme engine, the
+ // correct value can only be obtained for given GtkWidget object.
+ //
+ // Fool-proof implementation of stock bitmaps would extend wxBitmap
+ // with "stock-id" representation (in addition to pixmap and pixbuf
+ // ones) and would convert it to pixbuf when rendered.
+
+ GtkStyle *style = gtk_widget_get_default_style();
+ GtkIconSet *iconset = gtk_style_lookup_icon_set(style, stockid);
+
+ if (!iconset)
+ return wxNullBitmap;
+
+ GdkPixbuf *pixbuf =
+ gtk_icon_set_render_icon(iconset, style,
+ gtk_widget_get_default_direction(),
+ GTK_STATE_NORMAL, stocksize, NULL, NULL);
+
+ if (pixbuf && size != wxDefaultSize &&
+ (size.x != gdk_pixbuf_get_width(pixbuf) ||
+ size.y != gdk_pixbuf_get_height(pixbuf)))
+ {
+ GdkPixbuf *p2 = gdk_pixbuf_scale_simple(pixbuf, size.x, size.y,
+ GDK_INTERP_BILINEAR);
+ if (p2)
+ {
+ gdk_pixbuf_unref(pixbuf);
+ pixbuf = p2;
+ }
+ }
+
+ if (!pixbuf)
+ return wxNullBitmap;
+
+ wxBitmap bmp;
+ bmp.SetWidth(gdk_pixbuf_get_width(pixbuf));
+ bmp.SetHeight(gdk_pixbuf_get_height(pixbuf));
+ bmp.SetPixbuf(pixbuf);
+
+ return bmp;
+}
+
+#endif // defined(__WXGTK20__) && !defined(__WXUNIVERSAL__)
projects / wxWidgets.git / blobdiff